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US 4,227,732 AGranted
Pneumatically operated gate for hopper bottoms for bulk handling equipment
OwnerGerald J. Kishinventor
Life of this patent
Estimating the term…
Abstract
A hopper gate mechanism for opening and closing the bottom opening of a hopper containing vehicle. The mechanism typically includes two doors hinged along the longitudinal axis of the associated vehicle and fluid pressure actuated motor means for selectively actuating latching members normally employed to maintain the doors in a closed position.
Claims7
A hopper gate mechanism comprising:
- a frame defining a hopper opening;
- a pair of doors to open and close the opening in said frame;
- hinge means pivotally mounting one edge of each of said doors to said frame;
- at least two spaced apart reciprocable latch members having inner latching ends and outer ends, said latch members movable into a first position wherein the inner ends are in latching engagement with respective ones of said doors and into a second position whereby the inner ends are out of latching engagement with said respective ones of said doors;
- a draw bar pivotally interconnecting the outer ends of said latch members;
- and
- motor means coupled to said draw bar for effecting selected pivotal movement of said draw bar to selectively move said latch members into the second position out of engagement with said respective ones of said doors.
4 more elements
Dependencies are inferred from the claim text.